atlas: include cr50 config

Atlas has access to cr50 uart through servo. Add cr50.xml to the config,
so it can be used.

BUG=none
BRANCH=none
TEST=none

Change-Id: I753b04f466441d5a824683b4eedb9ff7f0d6541b
Signed-off-by: Mary Ruthven <mruthven@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/1548343
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Reviewed-by: Wai-Hong Tam <waihong@google.com>
1 file changed